PartsTable
Technical Data Sheet

FA5 1/4 — COUPLING HALF,SHAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

FA5 1/4: COUPLING HALF,SHAFT.

The COUPLING HALF,SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL, body_style: MULTI JAW, bore_shape: STRAIGHT, bore_diameter: 0.2500 INCHES NOMINAL IN, overall_length: 0.625 INCHES NOMINAL IN, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 3010-01-280-4349, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
FA5 1/4
NSN: 3010-01-280-4349
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialSTEEL
body_styleMULTI JAW
bore_shapeSTRAIGHT
bore_diameter0.2500 INCHES NOMINAL IN
overall_length0.625 INCHES NOMINAL IN
criticality_code_justificationFEAT
NSN3010-01-280-4349
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING HALF,SHAFT TITLE COMPONENT PN FA5 1/4 MFR COUPLING HALF,SHAFT
KEY FEATURES
•
BODY STYLE: MULTI JAW
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 0.2500 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
BODY STYLEMULTI JAW
CRITICALITY CODE JUSTIFICATIONFEAT
OVERALL LENGTH0.625 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
SPECIAL FEATURESHOLE THREAD SIZE DESIGNATOR:1/4-20; THREADED HOLE LOCATION:0.217" FROM HUB END; THREADED HOLE QTY:1; SECURING METHOD:THREADED HOLE; BORE COUNTERBORE FEATURE:INCLUDED; KEYING FACILITY:NOT INCLUDED; COUNTERBORE LOCATION:COUPLING END; O/A OUTSIDED DIMENSION:1/2"; HUB OD:0.4375" NOM.; FURNISHED ITEM & QTY:(1) SETSCREW; THREAD PROVISION:UNTHREADED; FLANGE THICKNESS:0.1873" NOM.; COUNTERBORE DEPTH:0.125" NOM. ITEM IS A NON-AVIATION CRITICAL SAFETY ITEM (CSI) WHOSE FAILURE WILL RESULT IN SERIOUS DAMAGE TO EQUIPMENT OR SERIOUS INJURY OR DEATH TO PERSONEL.
BORE DIAMETER0.2500 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
425797Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
FA5 ITEM 07904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy FA5 1/4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is FA5 1/4?
FA5 1/4 is a COUPLING HALF,SHAFT.
What parts can replace FA5 1/4?
There are 2 known substitutes for FA5 1/4: 425797, FA5 ITEM 07904. Substitute compatibility should be verified for your specific system.
What is the NSN for FA5 1/4?
FA5 1/4 is cataloged in the U.S. Government catalog under NSN 3010-01-280-4349. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — FA5 1/4

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.